This square reference table shows the area for a range of side length values. Every figure is computed with the same engine that powers our Square Calculator, so the numbers are exact.
| Side length | Area | Perimeter | Diagonal |
|---|---|---|---|
| 1.3 units | 1.69 | 5.20 | 1.8385 |
| 2.5 units | 6.25 | 10.00 | 3.5355 |
| 3.8 units | 14.44 | 15.20 | 5.3740 |
| 5 units | 25.00 | 20.00 | 7.0711 |
| 7.5 units | 56.25 | 30.00 | 10.6066 |
| 10 units | 100.00 | 40.00 | 14.1421 |
| 15 units | 225.00 | 60.00 | 21.2132 |
| 25 units | 625.00 | 100.00 | 35.3553 |
| 35 units | 1,225.00 | 140.00 | 49.4975 |
| 50 units | 2,500.00 | 200.00 | 70.7107 |
How to use this table
Find the row closest to your side length and read across to the area. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Square Calculator for a precise answer.
Need a value that is not in the table? — the Square Calculator does it instantly, for free, with the formula and a worked example built in.
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